"This only is certain, that there is nothing certain; and nothing more miserable and yet more arrogant than man."

"No mortal man, moreover is wise at all moments."

"In comparing various authors with one another, I have discovered that some of the gravest and latest writers have transcribed, word for word, from former works, without making acknowledgment."

"Why is it that we entertain the belief that for every purpose odd numbers are the most effectual?"

"The only certainty is that nothing is certain."

"From the end spring new beginnings."

"Disinterested intellectual curiosity is the life blood of real civilization."

"Let not him that girdeth on his harness boast himself as he that putteth it off."

"How high must we build these walls Around the fields of paradise?"

"How beautiful it is to do nothing, and then rest afterward."

"In the land of the blind, the one-eyed man is stoned to death."

"I love children, especially when they cry, for then someone takes them away."